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Rails mapping array of hashes onto single hash
...omplish what you want.
input = [{"testPARAM1"=>"testVAL1"}, {"testPARAM2"=>"testVAL2"}]
input.reduce({}, :merge)
is {"testPARAM2"=>"testVAL2", "testPARAM1"=>"testVAL1"}
Reducing an array sort of like sticking a method call between each element of it.
For example [1, 2, 3].reduce(0...
mysql -> insert into tbl (select from another table) and some default values [duplicate]
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247
You simply have to do:
INSERT INTO def (catid, title, page, publish)
SELECT catid, title, 'p...
Is there a /dev/null on Windows?
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answered Nov 23 '08 at 23:30
Jon SkeetJon Skeet
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List files with certain extensions with ls and grep
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meder omuralievmeder omuraliev
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How to show the text on a ImageButton?
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278
As you can't use android:text I recommend you to use a normal button and use one of the compou...
What is the Difference Between Mercurial and Git?
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25 Answers
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getting the screen density programmatically in android?
...the metrics.densityDpi property will be one of the DENSITY_xxx constants (120, 160, 213, 240, 320, 480 or 640 dpi).
If you need the actual lcd pixel density (perhaps for an OpenGL app) you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical density respectively....
How do you loop through each line in a text file using a windows batch file?
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valueOf() vs. toString() in Javascript
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edited Aug 31 '15 at 10:27
hzpz
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answered Mar 21 '10 at 10:48...
Enum type constraints in C# [duplicate]
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edited Mar 30 '12 at 10:24
Eamon Nerbonne
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